George Mifflin Dallas (1792–1864)

State of Residence: Pennsylvania
  1. Envoy Extraordinary and Minister Plenipotentiary (Russia)
    Appointed: March 7, 1837
    Presentation of Credentials: August 6, 1837
    Termination of Mission: Left Russia July 29, 1839
  2. Envoy Extraordinary and Minister Plenipotentiary (United Kingdom)
    Appointed: February 4, 1856
    Presentation of Credentials: April 4, 1856
    Termination of Mission: Presented recall on May 16, 1861
    • Commissioned to the court of Her Britannic Majesty.